EP2091677A1 - Installation support pour la fabrication d'armatures metalliques et son procede de mise en oeuvre - Google Patents
Installation support pour la fabrication d'armatures metalliques et son procede de mise en oeuvreInfo
- Publication number
- EP2091677A1 EP2091677A1 EP07823878A EP07823878A EP2091677A1 EP 2091677 A1 EP2091677 A1 EP 2091677A1 EP 07823878 A EP07823878 A EP 07823878A EP 07823878 A EP07823878 A EP 07823878A EP 2091677 A1 EP2091677 A1 EP 2091677A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- plane
- arms
- bars
- support arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 230000002787 reinforcement Effects 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 37
- 238000003466 welding Methods 0.000 claims description 26
- 238000005476 soldering Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 208000023178 Musculoskeletal disease Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
- B21F27/125—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching individual stirrups to longitudinal wires
Definitions
- the present invention relates to a support installation for the manufacture of metal reinforcements, in particular reinforcement for concrete consisting of longitudinal rods assembled by transverse frames.
- the metal reinforcements for concrete consisting of longitudinal rods assembled by transverse frames, are conventionally manufactured on installations or stations having a support plane of defined height formed by the parallel upper rails of a plurality of trestles or easels suitably spaced.
- the operator positions the longitudinal bars high on the support plane. It welds the top of the transverse frames on these top bars. It then welds any lateral bars (called skin bars) on the sides of said transverse frames, and finally, the bottom bars on the lower part of the frames.
- the document EP-0 791 416 proposes an installation for the manufacture of metal reinforcements, comprising several vertical posts which carry mobile arms constituting support planes for the various bars. Once high, skin and bottom bars suitably positioned at their chosen respective height level, a horizontally movable carriage ensures the correct distribution of the transverse frames along the length of the reinforcement cage to be achieved, before the operator realizes the different assembly welding operations.
- the operator must achieve the welding points at different heights, with the aforementioned drawbacks in terms of labor hardness.
- it must feed its workstation piece by piece; he is also obliged to put the bars in the frames already in place on the mobile carriage.
- the present invention proposes an original support installation, in particular for the manufacture of metal reinforcements for concrete, which makes it possible to facilitate the operations of assembly (in particular by welding) of the various elements constituting said reinforcement, rendering said operations less painful and more precise.
- the support installation according to the invention is characterized in that it comprises:
- first parallel support arms arranged in the same horizontal plane, which first arms are cantilevered on a supporting structure, and are associated with controllable means which allow their simultaneous vertical displacement, parallel to them; same, so as to constitute a first horizontal support plane, vertically movable (for receiving at least some of said longitudinal rods), and
- At least two second parallel support arms arranged in the same horizontal plane, which second arms are cantilevered on said supporting structure and extend parallel to said first support arms, to constitute a second horizontal support plane (for receiving at least some of said longitudinal rods), said first and second support planes being at least partially superimposed.
- said first horizontal support plane is vertically movable at least between a lower height, located slightly above the second horizontal support plane, and an upper extreme height which is separated from said lower height by at least the maximum distance between the bars.
- high and the bottom bars of the various possible models of frames so as to allow a weld, with the transverse frames, high wire, placed on said first arms, slightly above said second plane, and then allow a weld, with said transverse frames, possibly intermediate skin strands and bottom threads, placed on said second arms, this after lifting of the association high threads / transverse frames, said first arms, all of said welding operations can thus be carried out always in the same plane or substantially in the same plan.
- the mobile support plane may in particular be used to receive the rods from the top of the frame, the skin bars and the bottom bars can be positioned waiting on the second support plane.
- the operator can then position the mobile support plane at the desired height, according to what he considers to be his best posture, to achieve the welding of the transverse frames on the high bars (the mobile support plane is therefore placed just above the second support plane, in particular about 100 mm above).
- this operation it raises the mobile support plane to weld any skin bars resting on the second support plane (this operation can be performed several times, depending on the number of layers of skin bars), then again raises the mobile support plane to the desired height, for welding the lower part of the transverse frames on the bottom bars.
- Such a support installation is particularly ergonomic because it allows the operator to always solder almost at the same height chosen. It limits the physical efforts of welders and minimizes gestures and manipulations. It thus contributes to improving the working conditions and thus the quality of it, and it also helps to prevent the risks of occupational diseases.
- this installation offers a response to industrial requirements in terms of time and quality. It makes it possible to achieve productivity gains and to limit the risks of flow failure.
- This support installation offers coordinated supports that ensure the alignment of the welds and the height adjustment. It allows easier access to weld points and ensures better welds.
- the carrying structure consists of a plurality of vertical posts which are each equipped with one of said first movable support arms, and one of said second support arms.
- the vertical posts are advantageously mounted on a rolling rail structure which extends in a direction perpendicular to the first and second support arms, so as to allow adjustment of the spacing between said posts, and also to allow a choice of the number of poles necessary for the manufacture of the desired reinforcement.
- each post is advantageously equipped with a control pedal connected to a programmable controller which, after selecting the various poles chosen to manufacture the desired armature, allows the operator to ensure the synchronized rise or descent.
- different movable support arms constituting the first support plane (this operation can be performed from one or other of said control pedals).
- the first support arms are each mounted on their supporting structure by means of a vertically movable carriage, which carriage is maneuvered in translation by means of a vertical worm driven in rotation by a motorization .
- the second support arms are mounted on their supporting structure at a fixed level corresponding to the least painful welding height, namely a height of between 0.70 m and 1.30 m, in particular close to 0.90 m to 1, 10 m.
- the second support arms are pivotally mounted on their supporting structure, around a vertical axis, to allow their retraction out of at least a portion of the vertical space of the first support plane.
- the support structure comprises at least two housings for receiving two additional support arms, removable, parallel to each other and parallel to said first and second support planes, allowing the formation of a third support plane above said second support plane.
- the installation comprises two sets of superimposed housings, for the reception of said additional arms, conferring a choice of positioning to adapt the vertical level of said third support plane, or conferring the possibility of creating several complementary support planes.
- the carrying structure comprises a measuring device for determining the height of the first support plane mobile with respect to a reference, and in particular with respect to the level of the second support plane.
- the invention also relates to the method of manufacturing a metal reinforcement consisting of longitudinal rods assembled on several levels of height by transverse frames, said longitudinal rods constituting rods of high, bottom bars and possibly so-called intermediate bars of skin, for the implementation of the installation according to claims 1 to 10, this method consisting:
- the welding operations can thus be carried out always in the same plan or substantially in the same plane.
- this process advantageously consists in: positioning a series of strands on the first support plane;
- FIG. 1 is a perspective view of a support installation according to the present invention
- FIG. 2 shows the same installation as Figure 1, wherein the arms constituting the second support plane have been retracted;
- FIGS. 3 to 10 illustrate, in different steps, a possible way to implement the installation illustrated in FIGS. 1 and 2.
- the support installation generally labeled 1
- the support installation comprises a support structure consisting of a plurality of hollow vertical columns 2, for example a height of 2.5 m or more, each equipped with a first horizontal arm 3 and a second horizontal arm 4, parallel to each other.
- Each first horizontal arm 3 extends cantilevered from its support post 2. It is mounted on a sliding carriage 5 movable vertically.
- the carriage 5 is equipped with rollers and is guided by slides provided on the front face of the column 2, or inside thereof.
- This first support arm 3 can be maneuvered in vertical translation substantially from the ground, at least to a height of 1.5 m, and preferably more. Its structure and robustness, as well as those of the support post 2, are adapted according to the maximum loads to be supported.
- the engine 7 is controllable by means of a control pedal 8, double contactor type, directly accessible to the operator near the pole 2, the side of the first support arm 3.
- This control pedal 8 allows the maneuver of this first support arm 3 at will, uphill or downhill.
- the pedal 8 and the actuator 7 are connected to a control cabinet incorporating a programmable controller 9, whose function will be detailed later.
- the second support arm 4 extends horizontally cantilevered from the post 2. Its horizontal bearing surface 10 is at a fixed height with respect to the ground, corresponding to a level making it possible to perform an operation of welding with comfort. This height is between 0.7 m and 1.30 m, preferably between 0.90 m and 1.10 m.
- This second support arm 4 is pivotally mounted on the post 2, around a vertical axis 11, so that it can be retracted on the side, as illustrated in FIG. 2. Disable means are advantageously provided (not shown). allowing the locking of the active position of the support arm 4 (that is to say the position in which the arm 4 is parallel to the first support arm 3, as shown in Figure 1).
- the second support arm 4 is slightly offset on the side, relative to the vertical plane of movement of the first support arm 3, so as not to hinder the vertical movement of the latter. It preferably extends over a length slightly greater than that of the first support arm 3, so as will be seen later on, to facilitate the reception of previously stored rods bearing on said first support arm 3.
- the bearing surface 10 of the second support arm 4 consists of a roller 12 which is mounted idle in rotation about a longitudinal axis 12 '. This roller 12 optimizes the lateral sliding of the rods bearing on the second support arm 4.
- the second support arm 4 there is the presence of two vertical parallel plates, one before 13 and the other rear 13 ', integral with the post 2, spaced from each other here a distance corresponding to the width of said post 2.
- These two plates 13 and 13 ' are each provided with a series of superimposed orifices 14, 14', aligned vertically.
- the orifices 14 of the front plate 13 are each arranged in correspondence with one of the orifices 14 'of the rear plate 13' (that is to say coaxially), to form a horizontal housing 15, able to receive a complementary arm 16, shown in dotted lines.
- the series of superimposed housings 15 form a kind of rack which allows a removable positioning of an additional support arm 16 at the desired level, or a positioning of several additional arms 16, on several levels.
- This or these additional arms 16 extend parallel to the first and second support arms 3, 4. It is or they are slightly offset on the side relative to the vertical plane of displacement of the first support arm 3, to not hinder the vertical movement of the last.
- each post 2 is equipped with a measuring device 18 making it possible to indicate to the operator the height level of the bearing surface of the first support arm 3, relative to the level of the second support arm 4
- This measuring device 18 may consist of a simple graduated rule; it can also be an encoder with digital display, taking into account the rotation of the shaft of the geared motor 7.
- the support installation 1 comprises a plurality of posts 2, all identical or similar, arranged next to each other on their guide structure 17.
- the various posts 2 are all oriented in the same direction so that their support arms 3, 4 and possibly 16 extend all parallel to each other.
- the operating means 7, 8 of the movable arms 3 of all the posts 2 are connected to the programmable controller 9 ensuring the management of all configurations.
- this automaton 9 is programmed so as to take into account the prior selection of the posts 2 chosen to manufacture an armature (from the set of available poles), to ensure the positioning of the first support arms 3 at the same height level, then to allow the synchronized rise and fall of the different support arms 3 corresponding, this from only one of the control pedals 8 associated with one of the selected poles.
- the controller 9 manages the top and bottom limit switches of the mobile carriages 5, as well as any emergency stops; it also provides thermal control of the geared motors 7. From the plane of the armature that it must manufacture, the operator therefore selects the support posts 2 he wants to use (location and number). Then, it correctly positions the different support posts 2 relative to each other, by manual displacement on the guide structure 17.
- first support arms 3 of the various columns 2 selected, juxtaposed, form a horizontal support plane 3 '(called the first horizontal support plane 3'), which is adapted to serve as a removal and reception plane for some of the bars longitudinal constituent of the frame.
- This first support plane 3 ' is vertically movable and its level can be adapted at will by the operator by controlling one of the control pedals 8 between upper and lower extreme heights.
- the second support arms 4 of the various columns 2 selected form a horizontal support plane 4 '(called second support plane 4'), whose height level is fixed, clean, too, to serve as a plan of removal and reception for some longitudinal rods constituent of the frame.
- the optional complementary arms 16 form one or more additional horizontal support planes 16 '.
- These different support planes 3 ', 4' and possibly 16 ' are arranged one above the other (or some for some, depending on the positioning of the first support plane 3'); they are at least partially superimposed, that is to say arranged at least partially in the same vertical space.
- the different support planes 3 ', 4' and 16 ' have the same length, delimited by the support posts 2 of ends; they also have substantially the same width, corresponding to the length of the arms 3, 4 and 16, and they are almost completely superimposed.
- the operator uses the mobility of the first support plane 3 'to weld at a height which is most comfortable for him the high bars on the upper part of the transverse frames (this welding height is a priori as close as possible to the second support plane 4 '). In the rest of the procedure, the high bars always remain in support on the various mobile support arms 3.
- This mobility then allows the operator to raise the cage formed by the set of upper bars / transverse frames to correctly position these transverse frames (and possibly intermediate frames) relative to the (x) bed (s) of rods of skin and stockings, previously arranged on the second support plane
- the armature is deposited on the ground, or on a mobile storage structure, by lowering the mobile plane 3 ', after retraction of the support arms 4 and removal of any additional arms 16.
- This support installation 1, for the manufacture of simple reinforcements, is illustrated in various sequences in FIGS. 3 to 10.
- the first operation consists in depositing all the bars necessary for the production of the series of parts on the mobile support plane 3 'formed by the juxtaposition of the first support arms 3, in the position of withdrawal, close to the posts 2; then, in the package, is selected by sliding forward of the high bars 20, skin 21 and bottom 22 necessary for the manufacture of the frame.
- the transverse frames 23 are positioned in abutment on the high-wire bars 20, themselves bearing on the first movable support plane 3 ', and said upper bars 20 are welded on the upper part.
- said transverse frames 23 ( Figure 5).
- This welding operation is performed at a level as close as possible to the second support plane 4 ', considered as the ergonomically optimum welding plane. It can in particular be made approximately 100 mm above the support plane 4 ', taking into account the maximum diameter of the threads and the thickness of the movable arms 3. It should be noted here that the installation can advantageously be equipped with a system sensors to block the descent of the arms 3 before they interfere with the rods placed on the fixed arms 4.
- the following operation, illustrated in Figure 6, is to raise the mobile support plane 3 'to that the second support plane 4 'reaches the level at which the skin bars 21 must be welded to the sides of the frames 23. The corresponding welding is then performed by the operator.
- the mobile support plane 3 ' is further raised until the bottom bars 22 come into contact with the lower part of the frames 23, and then said bottom bars 22 are welded to said frames transversal 23.
- the armature 24 thus manufactured is raised to release the second support plane 4 '.
- the second support arms 4 can then be retracted laterally to release the vertical bulk of the frame (Figure 8). It then suffices to lower the first support plane 3 'to deposit the armature 24 on a suitable ferry 25, previously properly positioned from below ( Figure 9).
- the reinforcement 24 manufactured is evacuated to the buffer stock (FIG. 10).
- the installation is ready for a new manufacturing cycle, after repositioning the second support arms 4 parallel to the first movable arms 3.
- the operational implementation of the installation may be somewhat different from that described above, depending on the structure of the reinforcement to be manufactured, or depending on the habits or experiences of the welders.
- the transverse frames 23 may very well be positioned around the various bars 20, 21, and 22 bearing on the movable arms 3 (before the transfer of the skin bars 21 and bottom 22 on the arms 4), in order to limit their necessary insertion opening.
- Additional arms 16 are used for the creation of complementary support planes, in particular for the manufacture of more complex reinforcement, including including intermediate frames (in particular an additional horizontal plane will be created by additional closed frame in the section of the room).
- all the support arms 3, 4 and 16 may be mounted on the same supporting structure, for example fixed to a support wall.
- a simplified installation can consist of a single support post equipped with a mobile structure (formed of at least two parallel arms) constituting the first movable support plane 3 ', and a fixed structure (formed at least two parallel arms) constituting the second support plane 4 '; the mobile structure can then advantageously consist of one or more central arms associated with laterally movable end arms.
- the ergonomic welding station relieves the work of welders by limiting their physical effort and minimizing gestures and handling parts. It helps to improve working conditions and therefore the quality of it.
- this post optimizes the assembly. It respects the natural flow of production and the work of the operator which leads to the finished product without artificial creation of semi-finished products.
- the height alignment of the rods on the transverse frames is naturally done by the synchronization of the supports. It is no longer necessary to lift the bars to point the weld.
- This item optimizes assembly and allows productivity gains.
- this installation adapts to all configurations.
- the different support posts 2, aligned on rails, allow use in groups, depending on the geometry of the frame to be assembled, the management of the different configurations being provided by the programmable controller.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Rod-Shaped Construction Members (AREA)
- Forging (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0608585A FR2906489B1 (fr) | 2006-09-29 | 2006-09-29 | Installation support pour la fabrication d'armatures metalliques |
| PCT/FR2007/052044 WO2008040903A1 (fr) | 2006-09-29 | 2007-09-28 | Installation support pour la fabrication d'armatures metalliques et son procede de mise en oeuvre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2091677A1 true EP2091677A1 (fr) | 2009-08-26 |
| EP2091677B1 EP2091677B1 (fr) | 2010-08-25 |
Family
ID=38330763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07823878A Not-in-force EP2091677B1 (fr) | 2006-09-29 | 2007-09-28 | Installation support pour la fabrication d'armatures metalliques et son procede de mise en oeuvre |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2091677B1 (fr) |
| AT (1) | ATE478744T1 (fr) |
| DE (1) | DE602007008758D1 (fr) |
| FR (1) | FR2906489B1 (fr) |
| WO (1) | WO2008040903A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294616A (zh) * | 2011-08-30 | 2011-12-28 | 成都科盛石油科技有限公司 | 工件二维运送装置 |
| CN107378332A (zh) * | 2017-07-31 | 2017-11-24 | 安徽华众焊业有限公司 | 一种结构简单的电焊装置 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538057B (zh) * | 2013-10-22 | 2017-01-25 | 昆山中士设备工业有限公司 | 能准确定位的机械手以及协助机械手准确定位的货架 |
| CN104097009B (zh) * | 2014-07-15 | 2016-01-13 | 南车南京浦镇车辆有限公司 | 通用式底架正装胎 |
| CN104384403B (zh) * | 2014-09-22 | 2016-05-25 | 山东建筑大学 | 一种钢筋骨架成型机双向尺寸调整装置 |
| CN109665215B (zh) * | 2019-03-01 | 2024-03-01 | 江苏耀坤液压股份有限公司 | 一种大臂管输送支撑保护组件 |
| EP3941656B8 (fr) * | 2019-03-19 | 2025-03-05 | GMT Robotics Aps | Machine d'assemblage et procédé pour fabriquer des structures de renfort |
| DK180334B1 (en) * | 2019-03-19 | 2020-12-04 | Gmt Robotics Aps | Assembly machine and method for assembling reinforced structures |
| CN111421086B (zh) * | 2020-04-01 | 2021-09-21 | 安徽永利建设工程有限公司 | 一种节能环保型建筑材料加工设备 |
| CN111558675A (zh) * | 2020-05-15 | 2020-08-21 | 合肥皖兴建设工程有限公司 | 一种装配式pc预制件钢筋骨架制作工艺 |
| CN112170738A (zh) * | 2020-11-04 | 2021-01-05 | 重庆建工市政交通工程有限责任公司 | 一种钢筋笼制作设备及其使用方法 |
| CN114161051B (zh) * | 2021-11-11 | 2024-02-13 | 河南沃克曼建设工程有限公司 | 垃圾焚烧发电厂立式锅炉基础施工组合平台及施工方法 |
| CN117226459B (zh) * | 2023-11-08 | 2024-02-09 | 之江实验室 | 传动系统连杆的安装工装 |
| DK202430162A1 (en) * | 2024-04-12 | 2025-10-16 | Gmt Robotics Aps | Apparatus for feeding reinforcement elements into an assembly station, an assembly station, a system and a method of assembling a reinforcement cage |
| CN120133804B (zh) * | 2025-02-07 | 2025-11-25 | 浙江交工金筑交通建设有限公司 | 一种焊接设备及用于盖梁加工的焊接方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1273800B (it) * | 1994-02-10 | 1997-07-10 | Schnell Srl | Metodo e apparecchiatura per realizzare gabbie metalliche per cemento armato e gabbia metallica cosi' ottenuta |
| IT1288852B1 (it) * | 1996-02-22 | 1998-09-25 | Piegatrici Macch Elettr | Procedimento per la realizzazione di gabbie metalliche per cemento armato e relativo dispositivo |
| IT1285930B1 (it) * | 1996-06-07 | 1998-06-26 | Schnell Spa | Apparecchiatura per realizzare gabbie metalliche per cemento armato |
| US20020157254A1 (en) * | 2000-08-09 | 2002-10-31 | Marcel Wirth | Method to form metallic cages for reinforcement and relative device |
-
2006
- 2006-09-29 FR FR0608585A patent/FR2906489B1/fr active Active
-
2007
- 2007-09-28 AT AT07823878T patent/ATE478744T1/de not_active IP Right Cessation
- 2007-09-28 WO PCT/FR2007/052044 patent/WO2008040903A1/fr not_active Ceased
- 2007-09-28 EP EP07823878A patent/EP2091677B1/fr not_active Not-in-force
- 2007-09-28 DE DE602007008758T patent/DE602007008758D1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008040903A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294616A (zh) * | 2011-08-30 | 2011-12-28 | 成都科盛石油科技有限公司 | 工件二维运送装置 |
| CN107378332A (zh) * | 2017-07-31 | 2017-11-24 | 安徽华众焊业有限公司 | 一种结构简单的电焊装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008040903A1 (fr) | 2008-04-10 |
| ATE478744T1 (de) | 2010-09-15 |
| DE602007008758D1 (de) | 2010-10-07 |
| FR2906489B1 (fr) | 2009-05-29 |
| FR2906489A1 (fr) | 2008-04-04 |
| EP2091677B1 (fr) | 2010-08-25 |
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